AirHint found the following cheapest one-way flights from Osaka (KIX) to Busan (PUS) in October 2025 (see full year).

One-Way flights

02 Oct	Jin Air	direct
01 Oct	Jin Air	direct
04 Oct	Jin Air	direct
28 Oct	Eastar Jet	direct
29 Oct	Eastar Jet	direct
15 Oct	Jin Air	direct
05 Oct	Jin Air	direct
21 Oct	Peach
27 Oct	Jin Air	direct
18 Oct	Jin Air	direct

Also check the deals for return flights from Osaka to Busan in October.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest one-way flights from Osaka to Busan in October from 43€

One-Way flights